About PDF Spark

PDF Spark is a set of free online tools for turning everyday files – Word documents, Excel spreadsheets and images – into PDF. It is built and run by SATECH (Sphere Affairs Technologies).

How our tools are different

Instead of uploading your files to a server, our converters run inside your web browser. Your document is read and turned into a PDF on your own device, then saved to your downloads. We never receive the file, so we cannot store, read or share it.

What we believe

• Simple: one tool, one job, three steps.
• Private: your documents belong on your device.
• Free: no account, no watermark, no limits.
• Honest: we explain what browser conversion can and cannot do.

Have an idea for a new tool? Tell us.